20856008882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2086853}}^1$

素因数の和:2087137

約数の個数: 16

約数和(自身を含む): 33055767360

約数和(自身を除く): 12199758478

約数列:

[1, 2, 19, 38, 263, 526, 4997, 9994, 2086853, 4173706, 39650207, 79300414, 548842339, 1097684678, 10428004441, 20856008882]

約数ペア:

[(1, 20856008882), (2, 10428004441), (19, 1097684678), (38, 548842339), (263, 79300414), (526, 39650207), (4997, 4173706), (9994, 2086853)]